| Zulip Server version | Supported versions of PostgreSQL |
| -------------------- | -------------------------------- |
| 3.x                  | 9.3, 9.5, 9.6, 10, 11, 12        |
| 4.x                  | 9.3, 9.5, 9.6, 10, 11, 12, 13    |
| 5.x                  | 10, 11, 12, 13, 14               |
| 6.x                  | 11, 12, 13, 14                   |
| 7.x                  | 12, 13, 14, 15                   |
| 8.x                  | 12, 13, 14, 15, 16               |
| 9.x                  | 12, 13, 14, 15, 16               |